Want to Create a Token but showing me a Error (issue) Please help :/

Hey fam i was coding a Token but i dont know what im doing wrong Remix-Ethereum showing me this Error : Lalafinu.sol:32:1: ParserError: Expected '{' but got 'ILLEGAL'
function totalSupply() external view returns (uint256);
^

This is the part

pragma solidity >=0.7.0 <0.9.0;

interface IERC20

function totalSupply() external view returns (uint256);

32:1: ParserError: Function, variable, struct or modifier declaration expected.
function totalSupply() external view returns (uint256);

It sounds like you're a very beginner developer. You should learn some more Solidity first:

And you should use Contracts Wizard:

Yes maybe youre right but do you know what is the Problen here?

Public view returns (uint256)

Okay what i have to change ?

Then add your return keyword, to return the total supply variable

function totalSupply() external view returns (uint256){
return totalsupply(Note: Remember to replace with your total supply variable);
}